A random sample of 82 college students were asked many hours they exercise in a

Question

A random sample of 82 college students were asked many hours they exercise in a typical week. The data was entered in the Statistix software and the descriptive statistics printouts is shown below: how do Descriptive Statistics Exercise 82 Lo93% CI Mean up 93% CI SD Minimum Median Maximum 6.0925 6.9878 7.8831 4.4152 0.0000 6.5000 22.000 Which of the following practical interpretations for the confidence interval would be correct? O We are 93% confident that the average exercise time of all college students falls between 6.0925 and 7.8831 hours per week. /-93% of all college students have exercise times that fall between 6.0925 and 7.8831 hours per week We are 93% confident that the average exercise time of the 82 sampled college students falls between 6.0925 and 7.8831 hours per week. we are 93% confident that the exercise times of all college students falls between 6.0925 and 7.8831 hours per week FS F6 F7

Explanation / Answer

Solution:

Its answer is A. I.e. we are 93% confident that the average exercise time of all college student falls between 6.0925 and 7.8831 hours per week.

And B,C, D are wrong interpretation for confidence interval.

So it's answer is A.

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